Automatic Transfer Switch Features:
Transfers to generator power automatically when energized after 30 second delay. When both shore power and generator power are available, generator dominates after a 30 second delay. Once the generator is shut down, shore power activates after a 3-4 second delay.
- 90A full rated contactor mounted on vibration isolators to ensure quiet operation.
- Over/under voltage protection. Contactor opens outside of (<95V and >132V) range after 9-second delay. Instantaneous trip at voltages above 140V and below 70V.
- Over/under frequency protection. Contactor opens outside of (54-70Hz) range after 30-second delay.
- Source power connection integrity. Contactor will not close or will open in the event of an open source conductor or miswire. (L1, L2, Neutral and Ground.)
- Brown/blackout protection 2 min 15 second delay is initiated after removal of power to ensure AC compressor head bleed off. Feature can be disabled on remote. (optional)
- Measures and displays both L1 & L2 load current independently.
Surge Guard Features:
- 4-mode protection, 3,350 Joules
- Energy capacity - 130,000 Amps peak.
- Fuse protected L1/L2 surge suppressers.
- Plain text display (Replace Surge) of open fuses indicating a failed MOV or open surge connection.
Weight: 28 lbs.
Manufacturer: Technology Research Corp
Mfg Part #: 41390RVC
Electrical Rating: 120/240V, 90A
Surge Suppression (Joules): 3,500
Max Spike Current: 130,000A
Contactor Rating: 95A, FLA
Over/Under Voltage: Yes
Open Neutral Protection: Yes
Reverse Polarity Protection: Yes
Miswired Pedestal Indication: Yes
Ground Monitoring: Yes
Time Delay at Power Up: Yes
Remote Display: Optional
Amperage Measurement: Yes
Time delay at power up (2 Min.15 Sec): Yes
Source Power Connection Diagnostics: Yes
Generator Dominant: Yes
Mechanical Interlocking Contactors: Yes
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